Introduction to Alkanes
Trending Questions
State the sources of Alkanes.
Iron does not burn on heating but iron fillings burn vigorously when sprinkled in the flame of the burner . Why? Give reason.
Write the structural formula for butane.
The first member of alkyne homologous series is
(a) ethyne
(b) ethene
(c) propyne
(d) methane
- Tar
- Turpentine
- Charcoal
- Ethanol
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If you hold a piece of iron wire with a pair of tongs inside a candle flame or a bunsen burner flame, what will you observe? Will it produce a flame?
- 5−(1, 1− Dimethyl Ethyl) −6− Ethyl decane
- 5−Ethyl−6−(1, 1− Dimethyl Ethyl) decane
- 6−Ethyl−5−(1, 1− Dimethyl Ethyl) decane
- 6−(1, 1− Dimethyl Ethyl) −5 Ethyl decane
LPG stands for liquefied petroleum gas. Varieties of LPG are marketed including a mixture of propane (60%) and butane (40%). If 10 litre of this mixture is burnt, find the total volume of carbon dioxide gas added to the atmosphere. Combustion reactions can be represented as:
46
30
51
34
40
Butanone is a four-carbon compound with the functional group:
(a) Carboxylic acid
(b) Aldehyde
(c) Ketone
(d) Alcohol
Give the general formula of alkanes.
A series of hydrocarbons with the same general formula is known as
Catenation of carbon
Homologous series
Allotropes of carbon
Isotopes of carbon
- Alkanes
- Both a and b
- Cycloalkanes
- None of these
What are the main two allotropes of carbon? Distinguish these two allotropes on the basis of hardness and electrical conduction.
What is the IUPAC name of (CH3)2CHCH2CH2Br
IUPAC name of the following compound is CH3−CH=CH−C≡?
5-Pentyn-3-ene
3-Penten-1-yne
1-Pentyn-3-ene
None of these
Match the Following:
Column-I (Hydrocarbon)Column-II (Molecular Formula)(A)Methane(P)C2H6(B)Ethane(Q)C4H10(C)Propane(R)CH4(D)Butane(S)C3H8(b) Give the structural difference between saturated and unsaturated hydrocarbons with two examples of each.
[3 Marks]
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